#include<bits/stdc++.h>
using namespace std;
int n,ans,a[100005],r[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        scanf("%d",&a[i]);
        r[a[i]]++;
    }
    for(int i=1;i<=100000;i++){
        ans=max(r[i],ans);
    }
    printf("%d\n",ans);
    return 0;
}
